diff -r e4d8baed5336 -r 6eefd0d6804d jdk/test/java/text/Bidi/BidiEmbeddingTest.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/jdk/test/java/text/Bidi/BidiEmbeddingTest.java Fri Oct 17 13:34:03 2008 +0900 @@ -0,0 +1,132 @@ +/* + * Copyright (c) 2008 Sun Microsystems, Inc. All Rights Reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + */ + +/* + * @test + * @bug 4396492 4396496 4778510 + * @summary verify that the embedding values processed by the bidi code use negative values to + * indicate overrides, rather than using bit 7. Also tests Bidi without loading awt classes to + * confirm that Bidi can be used without awt. Verify that embedding level 0 is properly mapped + * to the base embedding level. + */ + +import java.awt.Color; +import java.awt.Frame; +import java.awt.font.TextAttribute; +import java.text.AttributedString; +import java.text.Bidi; + +public class BidiEmbeddingTest { + public static void main(String[] args) { + // to regress embedding test against old fix, call with an arg. A window will pop + // up causing awt lib to be loaded so the vm won't die with the unsatisfied link error. + if (args.length > 0) { + Frame f = new Frame(); + f.setSize(300, 300); + f.setBackground(Color.white); + f.show(); + } + + test1(); + test2(); + } + + static void test1() { + String target = "BACK WARDS"; + String str = "If this text is >" + target + "< the test passed."; + int start = str.indexOf(target); + int limit = start + target.length(); + + System.out.println("start: " + start + " limit: " + limit); + + AttributedString astr = new AttributedString(str); + astr.addAttribute(TextAttribute.BIDI_EMBEDDING, + new Integer(-1), + start, + limit); + + Bidi bidi = new Bidi(astr.getIterator()); + + for (int i = 0; i < bidi.getRunCount(); ++i) { + System.out.println("run " + i + + " from " + bidi.getRunStart(i) + + " to " + bidi.getRunLimit(i) + + " at level " + bidi.getRunLevel(i)); + } + + System.out.println(bidi); + + byte[] embs = new byte[str.length() + 3]; + for (int i = start + 1; i < limit + 1; ++i) { + embs[i] = -1; + } + + Bidi bidi2 = new Bidi(str.toCharArray(), 0, embs, 1, str.length(), Bidi.DIRECTION_DEFAULT_LEFT_TO_RIGHT); + for (int i = 0; i < bidi2.getRunCount(); ++i) { + System.out.println("run " + i + + " from " + bidi2.getRunStart(i) + + " to " + bidi2.getRunLimit(i) + + " at level " + bidi2.getRunLevel(i)); + } + + System.out.println(bidi2); + + if (bidi.getRunCount() != 3 || bidi2.getRunCount() != 3) { + throw new Error("Bidi run count incorrect"); + } + } + + // make sure BIDI_EMBEDDING values of 0 are mapped to base run direction, instead of flagging an error. + static void test2() { + String target = "BACK WARDS"; + String str = "If this text is >" + target + "< the test passed."; + int length = str.length(); + int start = str.indexOf(target); + int limit = start + target.length(); + + System.out.println("start: " + start + " limit: " + limit); + + AttributedString astr = new AttributedString(str); + astr.addAttribute(TextAttribute.RUN_DIRECTION, TextAttribute.RUN_DIRECTION_RTL); + + astr.addAttribute(TextAttribute.BIDI_EMBEDDING, + new Integer(-3), + start, + limit); + + Bidi bidi = new Bidi(astr.getIterator()); + + for (int i = 0; i < bidi.getRunCount(); ++i) { + System.out.println("run " + i + + " from " + bidi.getRunStart(i) + + " to " + bidi.getRunLimit(i) + + " at level " + bidi.getRunLevel(i)); + } + + System.out.println(bidi); + + if (bidi.getRunCount() != 6) { // runs of spaces and angles at embedding bound,s and final period, each get level 1 + throw new Error("Bidi embedding processing failed"); + } + } +}